INDEX 



Jatropha, curious seeds of, 96 



" Jumping Pern," 10 



Leaf, type of, 22 ; as most im- 

 portant organ, 1 30 



Leaf -stalks, as aids to climbers, 8 



Lesser Celandine, as non-seeding 

 plant, 117 



Lichens, growth of, 40 



Light, sensitiveness of plants to, 

 102 



Lilac, bud-scales of, 25 



Lime, seeds of, 58 



Loddon, growth of snowflake on 

 the, 60 



Maple, colour of buds, 20 ; seed 

 of, 58 



Maritime grass, 2 



Martynias, hooked seeds of, 60 



Mesembryanthemum truncatum, 



95 



Mimicry in plants, 72, 73, 92, et 

 seq. 



Mimosa, sensitiveness of, 108 



Mint, juice of, 92 ; and brook- 

 lime, 93 



Mistletoe, 44 ; distribution of 

 seeds of, 62 



Monsteras, growth of, 43 ; roots 

 of, 114 



Moon daisy, i ; evolution of green 

 bracts illustrated in, 118 



Myrmecodia tuber osa and ants, 37 



Nasturtiums, as climbers, 8 



Nectaries, positions of, 34 ; forms 

 of, 69 



Nettle, sting of, 90, 94 



Non-seeding plants, 116 



Oak, prolific seeding of, 1 1 ; sap 

 of, 22 ; tannin in, 92 



Orange hawkweed, hairs of, 89 



Orchids, parasitical, 44 ; cross- 

 fertilisation by insects of, 78 



Palm, growth of, 59 



Para rubber tree, seeds of, 63 



Parent, plant as, 50 et seq. 



Parasitical plants, 42 



Pea, arrangements of, for bees, 

 76 ; development of pod, 127 



Peacock butterfly, and scabious, 



73 



Peony, pollen of, 70 ; sepals of, 

 1 1 8 ; connection between petal 

 and stamen shown in, 125 



Phylloxera, 39 



Pistil, 117, 122; leaf origin of, 



126 



Plumbago and insects, 99 

 Plume thistle, dwarf, " starring " 



of, 14 



Poinsettia, coloured bracts of, 71 

 Pollen, dispersal of, 68 et seq. 

 Poppy, seed- dispersal of, 64 

 Potentillas, spreading habits of, 2 

 Prickly pear, spines of, 87 

 Primrose, spreading habit of, 12 

 Protective resemblance in plants, 



95 



Pulvinus, definition of, 107 

 Radicle, growth of, 54 

 Rafflesia Arnoldi, 48 

 Ray, John, on relation of ants 



with plants, 35 

 Rest harrow, defensive methods 



of, 87 

 Rhododendron, bud scales of, 25 ; 



and insects, 99 

 Rhubarb, spreading methods of, 



ii 



" Roast beef plant," 72 

 Root parasites, 46 

 Roots, problems of, 113 

 Round-leaved sundew, sensitive- 

 ness of, in 

 Sage and bees, 77 

 Salvia, arrangements of, for bees, 



77 ; extra floral coloration in, 



121 



Sand box tree, seeds of, 63 

 Sap, flow of, in trees, 21 

 Scabious, and peacock butterfly, 



73. 



Scabious balsam, nectaries of, 34 



Scarlet runner bean, experiment 

 with, 4 



Scent as lure for insects, 71 



Scentless mayweed, 93 



Scorpiurus, curious seeds of, 96 



Scots pine, cross-fertilising me- 

 thods of, 82 



Seasons, the plant and the, 16 et 

 seq. 



Seed, development of, 50 et seq. 



vessels, variety of, 29 



Seeds, in winter, 28 ; distribution 

 of, 56 et seq. ', protective simu- 

 lation of, 96 



Sensitive plant, 106 



Sepals, 117 



